Home / 3,019,012.11-4,166,263.80-1,642,385.88

Finding the Fourth Proportional to 3,019,012.11, 4,166,263.80 and 1,642,385.88

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Solution

The fourth proportional to 3,019,012.11, 4,166,263.80 and 1,642,385.88 is: 2,266,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,012.11 : 4,166,263.80 = 1,642,385.88 : x
  2. Step 2: Convert to fraction form
    3,019,012.11/4,166,263.80 = 1,642,385.88/x
  3. Step 3: Cross multiply
    3,019,012.11x = 4,166,263.80 × 1,642,385.88
  4. Step 4: Simplify right side
    3,019,012.11x = 6,842,612,837,475.14
  5. Step 5: Solve for x
    x = 6,842,612,837,475.14/3,019,012.11
  6. Step 6: Final answer
    x = 2,266,507.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.